Love Waves in Layered Graded Composite Structures with Imperfectly Bonded Interface

Theoretical analysis and numerical calculations of Love wave propagation in layered graded composites with imperfectly bonded interface are described in this paper. On the basis of WKB method, the approximate analytic solutions for Love waves are obtained. By the interface shear spring model, the dispersion relations for Love waves in layered graded composite structures with rigid, slip, and imperfectly bonded interfaces are given, and the effects of the interface conditions on the phase velocities of Love waves in SiC/Al layered graded composites are discussed. Numerical analysis shows that the phase velocity decreases when the defined flexibility parameter is greater. For the general imperfectly bonded interface, the phase velocity changes in the range of the velocities for the rigid and slip interface conditions.

作 者： LIU Hua YANG Jia-ling LIU Kai-xin   作者單位： LIU Hua,YANG Jia-ling(Institute of Solid Mechanics, Bering University of Aeronautics and Astronautics, Beijing 100083, China)

LIU Kai-xin(Department of Mechanics and Engineertng, Peking University, Beijing 100871, China) 

刊 名： 中國航空學報（英文版）  ISTIC 英文刊名： CHINESE JOURNAL OF AERONAUTICS  年，卷(期)： 2007 20(3)  分類號： V2  關鍵詞： Love wave   layered graded composites   WKB method   dispersion relation  

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